Gantt Chart Maker
An intuitive Microsoft Excel add-in that instantly converts task lists into automated, interactive Gantt charts and project schedules.
A startup from the United Kingdom, founded by James Hoffman.
An intuitive Microsoft Excel add-in that instantly converts task lists into automated, interactive Gantt charts and project schedules.
A startup from the United Kingdom, founded by James Hoffman.
This page is designed to help you find out whether Gantt Chart Maker is good and if it is the right choice for you.
Timeline Task Planner (Gantt Chart Maker) is a high-performance COM add-in that transforms Microsoft Excel into a dedicated project management powerhouse. Built for professionals who want to avoid the steep learning curves and high costs of standalone enterprise project software, this tool allows you to automate complex schedules without ever leaving your native .xlsx workbooks. Instead of manually drawing shapes or debugging brittle grid formulas, users simply input their task data, start dates, and durations. The backend engine instantly renders dynamic Gantt charts, maps structural dependencies (Predecessor/Successor links), and calculates execution timelines while automatically skipping weekends and imported corporate holidays. Because your data remains strictly within your local Excel files, you retain 100% ownership, security, and interoperability of your project plans.
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Visual project planning
Gantt chart tools like this one give a clear timeline view of tasks, durations, start and end dates, and dependencies, so teams can see the project schedule at a glance and spot overlaps or bottlenecks early.
Easier scheduling and dependency management
Linking tasks and adjusting dates on a visual timeline makes it simpler to see how a delay in one task affects the rest of the plan, which helps with realistic scheduling and re-planning.
Improved team communication
A shared visual schedule gives stakeholders, team members, and clients a common reference for deadlines, responsibilities, and progress, reducing misunderstandings and the need for lengthy status updates.
Low learning curve
Dedicated Gantt chart makers are generally simpler than full project management suites, so non-specialists can build a basic project timeline quickly without extensive training or setup.
Progress tracking
Tasks can be tracked against the planned timeline, making it easier to monitor completion, identify slippage, and report project status to managers or clients.
Gantt Chart Maker (Timeline Task Planner) uniquely combines the native performance and flexibility of Microsoft Excel with a dedicated desktop project scheduling engine. Unlike static Excel templates that rely on fragile grid formulas or web apps that require uploading sensitive project data to third-party cloud servers, it functions as a native Windows COM add-in. It connects spreadsheet rows directly to an automated calculation layer that generates interactive timelines, auto-updating WBS hierarchies, 4-type task dependencies, and baseline tracking—all while keeping 100% of project data stored locally in standard .xlsx files and Microsoft Access databases.
The primary audience includes project managers, engineers, operations leads, IT managers, and consultants working in Windows environments who already rely on Microsoft Excel for daily project planning. It is specifically tailored for teams that require enterprise-grade project scheduling capabilities—such as task dependency cascading, baseline comparison, and custom resource calendars—but want to avoid expensive standalone web platforms, vendor lock-in, or sending confidential project schedules to external cloud servers.
Gantt Chart Maker was built to bridge a major gap in project management tools. On one end, traditional web-based project management platforms force teams onto complex web interfaces, monthly per-seat pricing tiers, and external cloud servers. On the other end, basic Excel Gantt templates are easily broken when dates shift, requiring tedious manual row and shape formatting. Gantt Chart Maker was engineered as a high-performance desktop COM add-in to give teams the best of both worlds: enterprise scheduling automation (dependencies, baselines, smart calendars) operating natively inside the familiar, flexible spreadsheet environment while maintaining absolute file ownership.
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